Outdoor gas heater with 46,000 BTUs, providing heat up to a 9-foot radius. Ideal for commercial cafes and restaurants or residential patios Made with aluminum, sturdy plastic, and rugged steel with a durable powder-coated finish that stands up to outdoor elements Piezo ignition system for easy push-button start ups; requires 20lb Liquid Propane Gas tank (not included); chain to help secure LPG tank provided. Safety auto shut-off tilt valve; waterbox for adding weight to the base; wheel assembly included for easy mobility